package com.example.demo.customer;

import com.example.demo.exception.NotFoundException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class CustomerService {

    private final static Logger LOGGER=LoggerFactory.getLogger(CustomerService.class);
    private final CustomerRepository customerRepository;
@Autowired
    public CustomerService( CustomerRepository customerRepository) {
        this.customerRepository = customerRepository;
    }

    List<Customer> getCustomers(){
    LOGGER.info("getCustomers called");
return  customerRepository.findAll();

}
Customer getCustomer(Long id){
    return customerRepository
            .findById(id)
            .orElseThrow(() ->{
               NotFoundException notFoundException= new NotFoundException("customer"+ id + " 无法连接");
                LOGGER.error("error: getCustomer {}" + id,notFoundException);
            return notFoundException;
            });


}
}
